Home / 4,111.32-5,675.45-2,621.24

Finding the Fourth Proportional to 4,111.32, 5,675.45 and 2,621.24

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Solution

The fourth proportional to 4,111.32, 5,675.45 and 2,621.24 is: 3,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.32 : 5,675.45 = 2,621.24 : x
  2. Step 2: Convert to fraction form
    4,111.32/5,675.45 = 2,621.24/x
  3. Step 3: Cross multiply
    4,111.32x = 5,675.45 × 2,621.24
  4. Step 4: Simplify right side
    4,111.32x = 14,876,675.07
  5. Step 5: Solve for x
    x = 14,876,675.07/4,111.32
  6. Step 6: Final answer
    x = 3,618.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.